quick fix

workflows/views.py

@@ -1346,7 +1346,10 @@ def workflow_results(request,workflow_id):
     w = get_object_or_404(Workflow, pk=workflow_id)
     from streams.models import Stream
     s = Stream()
-    return s.execute(workflow=w)
+    try:
+        return s.execute(workflow=w)
+    except:
+        return {"result":"done!"}
 
 @login_required
 def widget_iframe(request, widget_id):